<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>全局样式</title>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
</head>

<body>

      <!-- Main jumbotron for a primary marketing message or call to action -->
      <div class="jumbotron">
        <h1>Hello, world!</h1>
        <p>This is a template for a simple marketing or informational website. It includes a large callout called a jumbotron and three supporting pieces of content. Use it as a starting point to create something more unique.</p>
        <p><a href="#" >Learn more »</a></p>
      </div>
    
</body>
</html>